National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Mostly Cloudy

46°F

8°C

Humidity 42%
Wind Speed NW 8 mph
Barometer 29.87 in (1012.2 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 2 May 7:56 pm EDT
Extended Forecast for

2 Miles SW Grant Mills NY

  • Tonight

    Tonight: Widespread frost after 10pm. Otherwise, partly cloudy, with a low around 27. Northwest wind 3 to 5 mph.

    Low: 27 °F

    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 8 to 15 mph.

    High: 48 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost before 2am, then areas of frost after 3am. Otherwise, mostly clear, with a low around 36. Southwest wind 3 to 8 mph.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

Detailed Forecast

Tonight
Widespread frost after 10pm. Otherwise, partly cloudy, with a low around 27. Northwest wind 3 to 5 mph.
Sunday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 48. Northwest wind 8 to 15 mph.
Sunday Night
Areas of frost before 2am, then areas of frost after 3am. Otherwise, mostly clear, with a low around 36. Southwest wind 3 to 8 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 46. South wind around 6 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Wednesday
Showers. High near 58. Chance of precipitation is 90%.
Wednesday Night
Showers. Low around 45. Chance of precipitation is 80%.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 56. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 33.
Saturday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Grant Mills NY
 42.06°N 74.71°W (Elev. 2201 ft)
Last Update:
7:29 pm EDT May 2, 2026
Forecast Valid:
8pm EDT May 2, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation